Do not change mode of files recursively

Current behavior leads to all files having executable bit which is not
anticipated or required behaviour.

Thus, we should avoid defining mode recursively to the directory

Closes-Bug: #2052011
Change-Id: I30b9b6a70d2cabfb1f1f434cd883ea2503d867bc

tasks/horizon_post_install.yml

@@ -29,15 +29,15 @@
   include_tasks: horizon_post_install_source.yml
   when: horizon_install_method == 'source'
 
-# NOTE(noonedeadpunk): change of permission is required for collectstatic and compilemessages
+# NOTE(noonedeadpunk): change of ownership is required for collectstatic and compilemessages
 - name: Ensure horizon dirs are accessible by user
   file:
     path: "{{ item.path }}"
     state: directory
     owner: "{{ horizon_system_user_name }}"
     group: "{{ horizon_system_group_name }}"
-    mode: "0755"
-    recurse: yes
+    mode: "{{ item.mode | default(omit) }}"
+    recurse: "{{ item.recurse | default(True) }}"
   with_items:
     - { path: "{{ horizon_lib_dir }}", fixup: True }
     - { path: "/etc/openstack-dashboard", fixup: "{{ (ansible_facts['os_family'] | lower) == 'redhat' }}" }